多吃甜食會變笨,那麼補充海鮮增加"Omega-3","DHA"把聰明補回來唷~

多吃甜食會變笨,那麼補充海鮮增加"Omega-3","DHA"把聰明補回來唷~

新聞來源:http://n.yam.com/yam/healthy/201205/20120517684948.html

喜歡吃甜食的人注意了,現在有實驗指出,只要吃六個禮拜的高糖分飲食,就會傷害腦部記憶和學習力,讓人變笨,記憶力變差。

《每日郵報》報導,加州大學進行實驗後表示,食用過多的果糖,會干擾腦部思考,若是長期過度食用,甚至會讓人變笨、記憶力變差,所以建議若是在重要考試或重大會議前,最好戒掉含糖飲料。

不過加州大學教授強調,實驗所指的果糖並不是天然水果中的果糖,而是是加工甜味劑─高果糖玉米糖漿,這種甜味劑多半添加到含糖飲料中。

但幸好「吃糖變笨」是有解藥的,只要多吃核果類和魚類(特別是鮭魚),因為這類食物富含高量omega-3脂肪酸,能有效改善果糖對腦部的損傷。

每日郵報原文:http://www.dailymail.co.uk/health/article-2145141/Does-sugar-make-stupid-Study-suggests-sabotages-learning-memory.html

Does sugar make you stupid? Study suggests it sabotages learning and memory
‧Fructose is commonly added to processed foods such as soft drinks
‧It was found to hamper memory and slow brain activity

Too much sugar could be making you stupid, according to researchers.

The suggestion follows tests in the laboratory comparing high-fructose corn syrup, which is six times sweeter than cane sugar and a common ingredient in processed foods, with omega-3 fatty acids, known to aid memory and learning.

In an experiment on rats, one group had a sugary diet for six weeks and another was fed healthily.

At the start of the study, published in the Journal of Physiology, the  University of California team tested how well the rats navigated a maze – placing landmarks to help them learn the way.

Six weeks later, the researchers tested the rats’ ability to recall the route.

Study co-author Professor Fernando Gomez-Pinilla said the rats fed just a sugary diet were slower and their brains had declined.

He said: 'Eating a high-fructose diet over the long term alters your brain’s ability to learn and remember information.

However, the good news is that eating nuts and fish such as salmon can counteract this disruption.

'Our findings illustrate that what you eat affects how you think,' said Prof Gomez-Pinilla. 'Adding omega-3 fatty acids to your meals can help minimise the damage.'

While earlier research has revealed how fructose harms the body through its role in diabetes, obesity and fatty liver, this study is the first to uncover how the sweetener influences the brain.

The researchers were studying the impact of high-fructose corn syrup on rats, who have similar brain chemistry to humans.

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